Ajax+Mobile Java Web framework. With 200+ Ajax components and event-driven, Ajax/RIA apps are as effortless and rich as desktop apps and HTML/XUL pages. Support JSP/JSF/JavaEE/Spring, Ajax Push and Client-fusion; also Java/Groovy/Python/JavaScript.

KCFinder is an alternative to the CKFinder web file manager. It can be integrated into FCKeditor, CKEditor, and TinyMCE WYSIWYG web editors to upload and manage images, flash movies, and other files that can be embedded in generated HTML content.

LeechCraft is a cross-platform modular "internet-client" application.
It has plugins that allow one to browse the web, chat via instant messaging (like Jabber or IRC), read RSS/Atom feeds, download files via BitTorrent, Direct Connect and other protocols, play media files and much more.

PDF Download is a Firefox extension that improve your surfing experience: when you click on a link to a PDF file, it allows to choose if you want to view the PDF file inside the browser (as PDF or as HTML), outside Firefox or if you want to download it.

Plugins for Firefox and Google Chrome that automates usage of „Typograf“ service hosted at http://www.artlebedev.ru/tools/typograf/. Plugin takes text from any text area in Firefox and processes it according to typographic rules (e.g. inserts typ